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Optimize calls to mstime in trackInstantaneousMetric() (#6472)

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WuYunlong 2020-08-09 03:11:14 +08:00 committed by GitHub
parent ea7eeb2fd2
commit 6dcc6898be
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1 changed files with 3 additions and 2 deletions
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src/server.c
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@ -1493,7 +1493,8 @@ int allPersistenceDisabled(void) {
/* Add a sample to the operations per second array of samples. */ /* Add a sample to the operations per second array of samples. */
void trackInstantaneousMetric(int metric, long long current_reading) { void trackInstantaneousMetric(int metric, long long current_reading) {
long long t = mstime() - server.inst_metric[metric].last_sample_time; long long now = mstime();
long long t = now - server.inst_metric[metric].last_sample_time;
long long ops = current_reading - long long ops = current_reading -
server.inst_metric[metric].last_sample_count; server.inst_metric[metric].last_sample_count;
long long ops_sec; long long ops_sec;
@ -1504,7 +1505,7 @@ void trackInstantaneousMetric(int metric, long long current_reading) {
ops_sec; ops_sec;
server.inst_metric[metric].idx++; server.inst_metric[metric].idx++;
server.inst_metric[metric].idx %= STATS_METRIC_SAMPLES; server.inst_metric[metric].idx %= STATS_METRIC_SAMPLES;
server.inst_metric[metric].last_sample_time = mstime(); server.inst_metric[metric].last_sample_time = now;
server.inst_metric[metric].last_sample_count = current_reading; server.inst_metric[metric].last_sample_count = current_reading;
} }